"Brass Tilde" <lego-robotics@crynwr.com> wrote in message news:00a301c4552c$24...hps.net... <snip> (...) I built something very much like this. I used a rack with a few 1x1 TECHNIC beams in it. The touch sensor pressed against the side of the rack (...) (20 years ago, 18-Jun-04, to lugnet.robotics)
